/*******************************************************************************
 * Copyright (c) 2006 CEA List.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     CEA List - initial API and implementation
 *******************************************************************************/
package com.cea.papyrus.diagram.deployment.editpart;

import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.Label;
import org.eclipse.draw2d.PositionConstants;
import org.eclipse.draw2d.XYLayout;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.gef.EditPolicy;
import org.eclipse.gef.GraphicalEditPart;
import org.eclipse.gef.Request;
import org.eclipse.gef.RequestConstants;
import org.eclipse.gef.palette.PaletteDrawer;
import org.eclipse.gef.tools.CellEditorLocator;
import org.eclipse.gef.tools.DirectEditManager;
import org.eclipse.uml2.uml.Artifact;
import org.eclipse.uml2.uml.Dependency;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.ElementImport;
import org.eclipse.uml2.uml.Generalization;
import org.eclipse.uml2.uml.Manifestation;
import org.eclipse.uml2.uml.NamedElement;

import com.cea.papyrus.core.PapyrusMessages;
import com.cea.papyrus.core.PapyrusPlugin;
import com.cea.papyrus.core.directedit.ILabelControler;
import com.cea.papyrus.core.directedit.LabelCellEditorLocator;
import com.cea.papyrus.core.directedit.LabelControler;
import com.cea.papyrus.core.directedit.LabelDirectEditManager;
import com.cea.papyrus.core.directedit.PropertyAccessor;
import com.cea.papyrus.core.editor.ModelManager;
import com.cea.papyrus.core.editor.mouseoveraction.ActionHandleManager;
import com.cea.papyrus.core.editpart.ContainerHighlightEditPolicy;
import com.cea.papyrus.core.editpart.ContainerWithSemanticEditPart;
import com.cea.papyrus.core.editpart.LayoutEditPolicy;
import com.cea.papyrus.core.figures.IconFigure;
import com.cea.papyrus.core.figures.NodeFigure;
import com.cea.papyrus.core.ui.dialogs.PapyrusMessageDialog;
import com.cea.papyrus.core.utils.Debug;
import com.cea.papyrus.diagram.deployment.figure.ArtifactFigure;
import com.cea.papyrus.diagraminterchange2.di2.GraphNode;
import com.cea.papyrus.diagraminterchange2.di2.Uml1SemanticModelBridge;

/**
 * Manages the model of an artifact.
 * 
 * @author Gilles Cannenterre
 * @since 15 janv. 07
 */
public class ArtifactEditPart extends ContainerWithSemanticEditPart {
	
	/**
	 * Debug channel for edit parts.
	 */
	private int channel = 202;
	
	/**
	 * Manager for editing nodename.
	 */
	protected DirectEditManager manager;
	
	/**
	 * 
	 * 
	 * @param modelManager 
	 * @param graphNode 
	 */
	public ArtifactEditPart(GraphNode graphNode,ModelManager modelManager) {
		super(graphNode,modelManager);
	}

	/* (non-Javadoc)
	 * @see com.cea.papyrus.common.editpart.GraphNodeWithSemanticEditPart#createFigure()
	 */
	/**
	 * 
	 * 
	 * @return 
	 */
	@Override
	protected IFigure createFigure() {
		// Force initialization of the manager when figure has changed
		manager = null;
		// Try to get figure from ContainerWithSemanticEditPart
		IFigure fig = super.createFigure();
		if (fig != null) {
			return fig;
		}
		// Else
		return new ArtifactFigure("artifact");				
	}



	/* (non-Javadoc)
	 * @see org.eclipse.gef.editparts.AbstractGraphicalEditPart#getContentPane()
	 */
	/**
	 * 
	 * 
	 * @return 
	 */
	@Override
	public IFigure getContentPane() {
		if (getFigure() instanceof ArtifactFigure) {
			return ((ArtifactFigure) getFigure()).getContentPane();

		} else {
			// Figure is a shape
			return getFigure();
		}
	}

	/**
	 * Returns the Name Label of this edit part.
	 * 
	 * @return Label
	 */
	protected Label getNameLabel() {
		IFigure fig = getFigure();
		if (fig instanceof IconFigure) {
			return (Label) fig;
		} else if (fig instanceof ArtifactFigure) {
			return ((ArtifactFigure) fig).getNameLabel();
		} else {
			Debug.debug(this, "ArtifactEditPart::getNameLabel() : Unknown Figure type.", channel);
			return null;
		}
	}

	/**
	 * the direct edit mechanism requires the edit part to handle the direct edit
	 * request.
	 * 
	 * @param req the request that called the direct edit.
	 */
	public void performDirectEdit(Request req) {
		initLabelEditManager();
		manager.show();
	}

	/* (non-Javadoc)
	 * @see org.eclipse.gef.editparts.AbstractEditPart#performRequest(org.eclipse.gef.Request)
	 */
	/**
	 * 
	 * 
	 * @param request 
	 */
	@Override
	public void performRequest(Request request){
		if (RequestConstants.REQ_DIRECT_EDIT.equals(request.getType())) {
			performDirectEdit(request);
		}
	}

	/*
	 * (non-Javadoc)
	 * @see com.cea.papyrus.common.editpart.ContainerEditPart#createEditPolicies()
	 */
	/**
	 * 
	 */
	@Override
	protected void createEditPolicies(){
		super.createEditPolicies();
		installEditPolicy(EditPolicy.SELECTION_FEEDBACK_ROLE,new ContainerHighlightEditPolicy());
		installEditPolicy(EditPolicy.LAYOUT_ROLE, new LayoutEditPolicy((XYLayout) getContentPane().getLayoutManager()));
		installEditPolicy(EditPolicy.GRAPHICAL_NODE_ROLE, new GraphNodeEditPolicy() );
		// Deals with specific actions on node
		installActionHandle();
	}

	/**
	 * Refresh visuals.
	 */
	@Override
	protected void refreshVisuals() {
		Debug.debug(this, "refreshVisuals()", channel);
	
		Dimension size = getGraphNode().getSize();
		Point p = getGraphNode().getPosition();
		Rectangle r = new Rectangle(p, size);

		IFigure fig = getFigure();
	
		// Classifier
		if (fig instanceof IconFigure) {
			IconFigure icf = (IconFigure) getFigure();
			icf.setName(((NamedElement) getUmlElement()).getName());
		} else {
			Artifact currentArtifact = getUmlElement();
			com.cea.papyrus.umlutils.Element currentElement = new com.cea.papyrus.umlutils.Element(getUmlElement());
			((NodeFigure) fig).refreshColors(getGraphNode());
			((NodeFigure) fig).refreshPresentation(getPresentation(),currentArtifact, getGraphNode());
			
			boolean hasIcon = currentElement.hasIcon();
			boolean hasShape = currentElement.hasShape();
		
			((NodeFigure) fig).refreshStereotypes(((NodeFigure) fig).stereotypesLabel(this), getPresentation(), hasIcon, hasShape);
			((NodeFigure) fig).setName(currentArtifact.getName());
	
			// qualifiedName
			GraphNode gp= (GraphNode) getGraphNode().getContainer();
			((NodeFigure) fig).refreshQualifiedName(gp, getGraphNode(), getUmlElement());
		}  
	
		((GraphicalEditPart) getParent()).setLayoutConstraint(this, fig, r);
	}

	/* (non-Javadoc)
	 * @see com.cea.papyrus.common.editpart.GraphNodeWithSemanticEditPart#getUmlElement()
	 */
	/**
	 * 
	 * 
	 * @return 
	 */
	@Override
	public Artifact getUmlElement() {
		Element e=((Uml1SemanticModelBridge)getGraphNode().getSemanticModel()).getElement();
		// Case of element import
		if(e instanceof ElementImport){
			return (Artifact)((ElementImport) e).getImportedElement();
		}
		// This is a simple Artifact
		return (Artifact)e;
	}

	/**
	 * Install Action handles for this editPart.
	 * Use same toolEntries than in palette
	 */
	protected void installActionHandle()
	{
		// Install mouse hover
		ActionHandleManager actionMngr = new ActionHandleManager(this);	
		// Create a toolbar of actions.
		PaletteDrawer entries = new PaletteDrawer("creation tool");
	
		try{
			entries.add(PapyrusPlugin.creationToolFactory.getConnectionCreationToolEntry(
					PapyrusMessages.AddManifestationCommand_Label
					, PapyrusMessages.AddManifestationCommand_Description
					, Manifestation.class
					, null));
			entries.add(PapyrusPlugin.creationToolFactory.getConnectionCreationToolEntry(
					PapyrusMessages.AddDependencyCommand_Label
					, PapyrusMessages.AddDependencyCommand_Description
					, Dependency.class
					, null));
			entries.add(PapyrusPlugin.creationToolFactory.getConnectionCreationToolEntry(
					PapyrusMessages.AddGeneralizationCommand_Label
					, PapyrusMessages.AddGeneralizationCommand_Description
					, Generalization.class
					, null));
		}
		catch (Exception e) {
			PapyrusMessageDialog.display(e.getMessage(), e);
		}
		actionMngr.addTool(entries, PositionConstants.EAST, false, 5);
	}

	/**
	 * Init the label direct edit manager.
	 * This method should be called when a Direct Edit request is performed.
	 */
	protected void initLabelEditManager() {
		if(manager==null) {
			// locator for the cell editor (on the name label)
			CellEditorLocator locator = new LabelCellEditorLocator(getNameLabel());
	
			// defining how properties are modified in the model
			PropertyAccessor accessor = new PropertyAccessor() {
				public String getPropertyName() {
					return "Name";
				}
	
				public String getValue() {
					if(isElementImport()){
						return getElementImport().getAlias();
					}
					return getUmlElement().getName();
				}
				public void setValue(String value) {
					if(isElementImport()){
						getElementImport().setAlias(value);
					}
					else{getUmlElement().setName(value);}  
				}
			};
			// defines the controler: link between model and view
			ILabelControler labelControler = new LabelControler(getNameLabel(), accessor);
	
			// creates the editing manager.
			manager = new LabelDirectEditManager(this, locator, labelControler);
		}
	}
}
